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Thread: 18" wheels/tires for 1970 GTO
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05-26-2020 #1Registered User
- Join Date
- May 2020
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18" wheels/tires for 1970 GTO
Hello..new member, lots of questions. Building on my intro thread...
I have a 1970 GTO that is currently under restoration. Looking to upgrade the wheels/tires to 18" US Mags Ramblers (front 18x8, 4.5BS, +1mm offset / rear: 18x9.5, 5.25BS, +1mm offset) with Nitto 555 G2 tires. Going to use a 2" drop spindle that supposedly widens the track 3/8" each side.
Wondering what the max tire width on the front and rear I can run that won't rub without modification taking into account the additional 3/8" widened track. Was planning on 245/45/18 on front (before I realized I'd lose 3/8") and 275/40/18 on the rear to keep the sidewall height and diameters similar. Will this work without rubbing? If so, can I go any wider on the front or rear without rubbing?
FWIW...I'm probably going to pick up the BMR tubular upper and lower controls arms, UMI standard springs in front and 2" lower in rear with Bilstein B6 shocks. On a budget...the restoration has been $$$. 2" drop spindles are coming in a Right Stuff Big Brake package 4 wheel disc conversion...https://www.getdiscbrakes.com/afxdc51ds
Thoughts??